S1 Battery Pack Single Post author By manage_stagewerxpsl_gsm Post date February 4, 2021 $99.00 Out of stock SKU: 789175-0010 Categories: Portable Systems, Shop Bose Related products Bose S1 Pro system $649.00 Add to cart ← S1 Pro System with Backpack → F1 Model 812 Flexible Array Loudspeaker – Powered Model 120V Single